Hose-making machine.



S. J. SILL.

HOSE MAKING MAGHINE.

APPLICATION Hum uns, 1908.

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3 SHEETS-SHEET 1.

Patented Apr..30, 1912.

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S. J. SILL.

HOSE MAKING MACHINE. APPLIQATION FILED uns, 190s.

Patented Apr. 30,- 1912.

SHEET 2.

3 SHEETS- COLUMBIA PLANOGRAPH 0., WASHINGTON. D. C.

SJT. SILL.

HOSE MAKING MAHINB.

APPLICATION FILED JAN. a, 1908.

Patented Apr. 30', 1912.

mlnmulucoLUMmA PLANoGIzAIn C0. WASHINGTON, u. C.

UNITED STATES PATENT OFFICE.

SAMUEL J. SILL, OF BUFFALO, NEW YORK, ASSIG-NOR OF ONE-HALF TO HERBERT H. HEWITT, OF BUFFALO, NEW YORK.

HOSE-MAKING MACHINE.

Specification of `Letters Patent.

Application led January 8, 1908.

To all whom it may concern;

Be it known that I, SAMUEL J. SILL, a citizen of the United States, and a resident of the city of Bu'alo, county of Erie, State of New York, have invented certain new and useful Improvements in Hose-Making Machines7 of which I do declare the following to be a full, clear, and exact descrip-tion, reference being had to the accompanying drawings, forming part of this specification.

The present invention has for its object to provide an improved machine for manufacturing that class of hose that is formed by wrapping a plurality of plies or layers of textile fabric, usually frictioned duck, around a mandrel and over a central core or tube of soft rubber, the plies of text-ile fabric or duck being covered ordinarily with an outer casing or sheath of soft rubber, the whole being thereafter submitted to the vulcanizing process.

The invention consists in the novel features of construction hereinafter described, illustrated in the accompanying drawings and particularly pointed out in the claims at the end of this specication.

Figure 1 is a view in side elevation of a hose making machine embodying my invention. Fig. 2 is an end view thereof. Fig. 3 is a plan section on line 3-3 of Fig. 1. Figs. 4, 5 and 6 are detail sections on lines 4 4, 5-5 and 6 6 of Figs. 1 and 3. Figs. 7 and 8 are enlarged detail views of the mandrel holding and winding devices.

The bed-plate 1 of the machine is supported upon suitable legs 2 at the ends thereof. Upon the bed-plate 1 are mounted a pair of bottom or driving rolls 3 and 4, these rolls being journaled in suitable bearings. As shown, the bed-plate is formed with recesses 5 to receive the journals at the opposite ends of the rolls 3 and 4 and these rolls are arranged in an opening in the bed-plate. Over the journals at the outer ends of the bottom rolls 3 and 4 set the bearing caps 7 that are bolted as at S to the bed-plate, and the journals at the opposite ends of the rolls are retained in place by similar bearing and 12 that mesh with a gear wheel 13 that is mounted upon an intermediate shaft 14.

` This shaft 14 is j ournaled in bearings 15 and 16 beneath the bed-plate 1 of the machine, these bearings being referably formed in part by the cavities 17) on the underside of the bed-plate and in part bythe bearing caps 19 and 20 that are bolted as at 21 and 22, respectively to the underside of the bedplate. Upon the intermediate shaft 14 is vkeyed a gear wheel 25 that meshes with a pinion 26 keyed on the main drive shaft 27.

e This main' drive shaft is mounted in suitable bearings 28 and 29 at the lower ends of ,brackets 30 and 31 that are bolted to the' underside of the bed-plate 1. The outer end of t-he drive shaft 27 is journaled in a goosei necked bracket 32 that is bolted as at l33 to the end of the bed-plate 1, and upon this drive shaft 27 is loosely mounted the drive pulley 34 having fixed thereto a clutch member 35 adapted to mesh with a corresponding clutch member 36 thatl is splined upon the drive shaft 27 so as to be moved into and out of engagement with the member 35. The clutch member 36 is formed with an j annular groove 38 to receive studs projecting from t-he yoke-shaped lower end of the clutch lever 40 that is pivotally mounted as at 41 upon a bracket 42 projecting from the end of the machine, the upper end of this lever forming a handle that extends within easy reach of the operator. It will readily be understood that by means of the clutch lever the drive shaft 27 can be thrown into and out of engagement with the drive pulley 34 that will have rot-ation imparted thereto from a suitable source of power.

From the top of the bed-plate 1 rise the yoke-shaped standards or brackets 50, the flanged lower ends of which are bolted to the top of the bed-plate as at 51, and across the tops of these standards extends the yoke 52, the ends of which are bolted to the standards as at 53. Upon the top of the yoke 52 is mounted an air cylinder 55, the upper end ot which is closed by a head or cap 5G and the lower end et which is closed by a cap or base 57 that has an extension passing through the yoke 52. The extension 58 is provided with a suitable stalling-boi: 59 through which, and t-hrough the base, passes the piston rod 60 that is connected to the piston 01 within the air cylinder The cylinder 55 has at one side thereof a valve chamber 04 containing a valve o't any suitable coiistruction for controlling the passage of air to the opposite ends ot the cylinder and from this valve eXtends a stem that is Fitted with a hand-lever 00. r1 pipe 07 for compressed air or other motive tluid leads to the valve chamber 6ft.

To the lower end of the piston rod G0 is pivotally connected a yoke 08, to the outer ends ot which yoke are secured the bearing* blocks 69 in which are journaled the ends of the top roll 70. The bearing-blocks 69 are mounted to slide within the guideways 71 of the standards or brackets 50. By pivotally mounting the yoke 08 to the lower end ot the piston rod 60, a rocking motion is allowed to this yoke and to the roll in order to more uniformly distribute the pressure ot the roll throughout its length. rthis uniform distribution ot the pressure ot' the top roll T 0 is important because in the formation from multiple plies of trictioned duck it trequently happens that the duck is formed oit pieces joined together extending diagonally crosswise of the duck. 1t the top roll were mounted so that the bearings at its ends could not move independently the lapped portions of the trictioned duck would lit't the roll uniformly from end to end thus relieving the desired pressure ot the roll upon the surface of the hose being wound and exerting the full pressure of the hose merely upon the lapped portion ot the duck.

At the tace of the standards or brackets 50 are secured by bolts S0 and 80u the guides or plates 81 against which will bear the ends ot the mandrel whereon the hose is to be formed and as shown these guides or plates 81 are provided upon their inn-er faces with short studs or bearing surfaces 82 with which the ends of the mandrel will Contact.

By securing the guides or plates S1 by means of the bolts S0 and 80ab these plates can be adjusted toward and 'from each other, thereby enabling the mandrels to be accurately located, and by providing the guides or plates 81 with studs 82 ot approximately the diameter of the mandrels to be wound, these studs while serving to locate the mandrels will not contact with either the upper or lower bearing rolls during the winding operation. So also by removably connecting the guides or plates 81 they can be readily detached whenever other plates are desired, and by forming these plates narrow and locating them as shown they will not contact with the winding rollers.

In `lront oit the rolls and supported at its forward ends upon brackets St that are bolted as at 85 to thc front oit the bed-plate 1 is a guide-table 86 over which the material oit' which the hose section is to be formed will be ted. This table S0 is provid-ed at its edges with the raised guides 8T extending :trom front to rear thereoit at a distance apart corresponding to the width of the trictioned duck of which the body ot' the hose is to be formed. These guides may be adjustable for ditlereut widths et duck.

To the inner sides of the bearing-blocks 09 are pivotally mounted as at 00 the upper ends et the swinging arms 91 in the lower ends of which arms is journaled the presser roll 02 that is adapted to bear upon the surface of the material 'trom which the hose is to be termed and hold this material `tlat and smooth upon the table 8G as it is ted over the table and into the machine. The object in maintaining this guide roll 92 upon the swinging arms 91 is to enable this roll to maintain its pressure upon the surface ot the material on the table notwithstai'iding the raising of the top roll and the bearing blocks as the piles of material are wound upon the mandrel.

From the foregoing description7 the operation ot th-c machine will be seen to be as follows, it being assumed that the top roll is in raised position: The operator will tirst place upon the bottom rolls 3 and it and between the studs 82 ot the guide plates S1 a mandrel 100 over which has been slipped the rubber tube 101 that is to torni the inner lining of the hose section. He will then place upon the table 8G and between its guides S7 a sheet ot trictioned duck corresponding in width to the distance between the guides 87 and he will advance the inner edge of the frictioned duck beneath the presser roll 92 and over the rubber tube on the mandrel. The operator will then, by shifting the hand-lever 00, cause compressed airv to pass to the top oi the air cylinder thus forcing the top roll 70 to descend upon the rubber tube 101 that encircles the mandrel 100. He will then shift the clutch lever 10 so as to throw the main drive shaft into engagement with the drive pulley and by so doing will cause rotation to be imparted te the bottom drive rolls 8 and 4c and thence to the mandrel 100 and through it to the top roll 70. The revolution ot the rolls and the mandrel will cause the frictioned duck, (the inner edge of which readily adheres te the inner tube 101) to be wound about the tube 101 on the mandrel, the duck being accurately fed by the guides 87 at the edges of the table S6. It is important that the sheet of duck be thus accurately guided because it insures that as the several plies of duck are wound upon the hose, the edges of the duck shall be in alinement thus giving fiat ends to this body portion of the hose section over which square ends the lapping of the inner rubber tube may be afterward readily effected so as to prevent the access of moisture to the textile material of which the body of the hose is in great part formed. As the front edge of the frictioned duck is about to pass beneath the presser roll 92, the operator will lap over the front edge of the duck a sheet of soft rubber preferably slightly longer than the width of the frict-ioned duck and of a sufficient width to completely encircle the hose and fo-rm an outer cover or jacket therefor. By forming the guides 87 at the edges of the table 86 very low or shallow as shown t-he operator is enabled to readily apply this rubber strip to the front edge of the duck notwithstanding the fact that the rubber strip is longer than the distance between the guides 87. l/Vhen the hose section has been thus formed the operator by shifting the hand-lever 66 .will raise the top roll 70 and will remove the mandrel 100 with the hose thereon from the machine.

rIhe machine above described is more particularly designed for the manufacture of short lengt-hs of hose,-say 22 inches long,- such as are commonly employed in railway air brake systems and the accurate guiding and wrapping of the material effected by the machine avoids the necessity of subsequently trimming the ends of the frictioned duck which comprises the body of the hose.

While the machine above described is more particularly designed for wrapping the frictioned duck and outer rubber cover about the mandrel whereon the hose is formed, certain features of the machine are susceptible of use for a variety of other purposes, as for example in a new machine devised by me for wrapping the cloths around the hose prior to the vulcanizing operation, in a machine for loosening the hose from the vulcanizing mandrel and in other machines designed for use in connection with the manufacture of hose. I do not wish the invention to be understood as confined to the specific use of the mechanism above set forth.

Upon the top of the bed-plate l I have shown a casing 105 extending over certain of the gears to protect them but this I do not regard as essential. So also, I have shown at one end a register 106 mounted upon the top of the bed-plate l, this register being provided with an arm extending laterally and adapted to be struck by the clutch lever 40 so as to register the number of hose sect-ions that are made upon the machine, but I do not regard this as a necessary feature of the invention.

It is obvious that changes in the details set forth could be varied without departure from the essentials of the invention.

Having thus described my invention what I claim as new and desire to secure by Letters Patent is:

l. A machine of the character described comprising a plurality of rolls between which a mandrel may be mounted, means for imparting rotation to said rolls and guides between the top and bottom rolls at their ends, said guides being adjustable toward and from each other for accurately locating the mandrel.

2. A machine of the character described comprising a plurality of rolls bet-ween which a mandrel may be mounted, means for imparting rotation to said rolls and guides between the top and bottom rolls at their ends, said guides being removable and serving to accurately locate the mandrel.

8. A machine of the character described comprising a plurality of rolls between which a mandrel may be mounted, mea-ns for imparting rotation to said rolls and guides between the top and bottom rolls at their ends, said guides having inwardly projecting studs which engage the ends of the mandrel and are of approximately the diameter of said mandrel.

4. A machine of the character described comprising a support over which the fabric will be fed, a plurality of rolls between which a mandrel may be mounted, means for imparting rotation to said rolls and a pressure device extending over said sup port, said pressure device being mounted to move vertically with the top roll and being movable independently thereof.

5. A machine of t-he character described comprising a plurality of rolls between which a mandrel may be mounted, means for imparting rotation to said rolls and a swinging pressure device mounted to move with the top roll.

6. A machine of the character described comprising a plurality of rolls between which a mandrel may be mounted, means for imparting rot-ation to said rolls, a swinging presser roll mounted to move with the top roll and a feed table located at the front of the machine and extending beneath said presser roll.

7. A machine of the character described comprising bottom and top rolls between which a mandrel may be mounted, journal bearings for the ends of said top roll, a yoke extending across said top roll to said journal. bearings and a rod pivotally connected ing the bearing blocks of the top roll, a pisto said yoke whereby it is allowed to rock ton rod connected to said yoke, a yoke eX- and may be raised and lowered. tending between the tops of said standards, 8. A nilaeliine of tbe character described a cylinderl mounted upon said yoke and 5 comprising a bed-plate, brackets or standmeans for controlling the passage of motive 15 arde rising from said bed-plate, bottoni rolls fluid to said cylinder.

journaled on said bed-plate, means for driv- SAMUEL J. SLL. ing said bottoni rolls, a top roll provided Witnesses: with bearing` blocks movable in said stand- HARRY L. OLAP?,

lo arde, a. yoke extending between and connect- KATHARINE GEBLACH.

Copies of this patent may be obtained for flve cents each, by addressing the Commissioner of Patents. Washington, D. C. 

